20317893

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 28142400

約数和(自身を除く): 7824507

約数列:

[1, 3, 29, 87, 409, 571, 1227, 1713, 11861, 16559, 35583, 49677, 233539, 700617, 6772631, 20317893]

約数ペア:

[(1, 20317893), (3, 6772631), (29, 700617), (87, 233539), (409, 49677), (571, 35583), (1227, 16559), (1713, 11861)]